Sanding Paint Off Concrete Wall

Scrub mortar joints and stubborn paint patches with a wire brush.

Sanding paint off concrete wall.

Remove the soap residue by rinsing the walls with a sponge and. Clean the concrete surface thoroughly and let dry. Scuff sanding not only helps remove the old product but it gives the concrete surface a slightly rough texture. Scuff sanding is also the first step in preparing newly cured concrete for painting.

Press the grinder. Scrape peeled or chipped areas and apply paint stripper. If paint comes off on the rag the old paint is latex. The best concrete paint results come from careful preparation and concrete repair followed by application.

Clean a small area of the wall with warm water and detergent. Clean the area of dust with a broom and dustpan after finishing. How to sand concrete walls step 1. Collect the paint residue and put it in contractor bags for disposal.

Be cautious when using course grit sandpaper because it can seriously damage the underlying surface and create large score marks in the softer materials such as wood if you end up using the sander exercise caution follow the product instructions and wear protective gear. Sand off any splatter residue lumps or uneven areas on the concrete floor. Examine the concrete floor to ensure you have removed any paints stains or other coatings. Attach a diamond sanding pad to a hand held grinder.

Repeat sanding as necessary until the sanding is complete. Dry the area with a towel. If some of the paint has already begun to chip or peel. Then wipe the wall with a soft cloth to remove any loose paint or dirt before starting.

Use a degreasing cleaner and a scrub brush with water to remove any dirt and grease from the concrete floor. When you set out to remove paint from concrete the first. After the first pass go over the floor with a fine or superfine sandpaper disc to finish the surface. Dip a rag in alcohol and rub over the area.

Hardened residue may require a scraper. In this video i use an angle grinder with a diamond wheel and dust collection to remove old floor paint from a concrete porch. Wash the walls with dishwashing soap and water. Peel the membrane if you used one and scrape off the paint using a paint scraper.

Coarse sandpaper would also be useful if you wanted to take the paint off only a doorframe or trim and leave the walls covered. Before starting lay a cloth on the floor beneath the area you will be working on so that the flaking paint can be easily removed later on. A diamond pad is the only type strong enough to cut through.